American machinists' handbook and dictionary of shop terms : a reference book of machine shop and drawing room data, methods and definitions (1914)
Colvin, Fred H. (Fred Herbert), 1867-1965, Stanley, Frank A. (Frank Arthur), b. 1874 · New York : McGraw-Hill book company ; London : Hill · leaf 643
ng weights by means of a screw.Jack Shaft — See Shaft, Jack.Jam Plates — Old name for screw plates and inmany cases a true one as the thread was jammed instead of cut.Jig, Drill — A device for holding work while drilling, having bush-ings through which the drill is guided so that the holes are… … JOINT — KEY 615 Joint, Universal — Shaft connection whichallows freedom in any direction andstill conveys a positive motion. Mostof them can transmit power throughany angle up to 45 degrees.Journal Box — The part of a bearing in which the shaft revolves.
Machine-shop practice
Internet Archive · UMass Dartmouth, Claire T. Carney Library · Public Domain Mark 1.0. Free to use for anything.
